660 = 2 x 2 x 3 x 5 x 11 or 22 x 3 x 5 x 11
2 x 3 x 5 x 7 x 11 = 2,310
Factor tree: 2970 2 x 1485 2 x 3 x 495 2 x 3 x 3 x 165 2 x 3 x 3 x 3 x 55 2 x 3 x 3 x 3 x 5 x 11 The prime factorization if 2970 is 2 x 3 x 3 x 3 x 5 x 11 or 2 x 33 x 5 x 11.
They are: 3 5 and 11
Factor them. 2 x 2 x 3 x 11 = 132 3 x 3 x 5 x 5 = 225 Combine the factors, eliminating duplicates. 2 x 2 x 3 x 3 x 5 x 5 x 11 = 9900, the LCM
The prime factorization of 330 is 2*3*5*11
2,750 has three prime factors: 2, 5 and 11.The prime factorization of 2,750 is: 2 x 5 x 5 x 5 x 11 or 2 x 53 x 11
The prime factorization of 9900 is 2*2*3*3*5*5*11 or 2^2 x 3^2 x 5^2 x 11
825 = 3 * 5 * 5 * 11 = 3 * 5^2 * 11 825 = 3 x 5 x 5 x 11
3 x 5 x 5 x 7 = 525 3 x 5 x 11 = 165
Factor them. 2 3 2 x 2 5 2 x 3 7 2 x 2 x 2 3 x 3 2 x 5 11 Combine the highest amount of each factor. 2 x 2 x 2 x 3 x 3 x 5 x 7 x 11 = 27720, the LCM
2 x 2 x 2 x 2 x 5 x 11
660 = 2 x 2 x 3 x 5 x 11 or 22 x 3 x 5 x 11
The prime factorization of 19800 is 2 x 2 x 2 x 3 x 3 x 5 x 5 x 11, or in index form (in other words, using exponents) 23 x 32 x 52 x 11.
2 x 3 x 5 x 7 x 11 = 2,310
3 x 5^2 x 11 = 3 x 25 x 11 = 75 x 11 = 825
Factor tree: 2970 2 x 1485 2 x 3 x 495 2 x 3 x 3 x 165 2 x 3 x 3 x 3 x 55 2 x 3 x 3 x 3 x 5 x 11 The prime factorization if 2970 is 2 x 3 x 3 x 3 x 5 x 11 or 2 x 33 x 5 x 11.